2003 VOLVO V70 Owners Manual

Handling, roadholding
Vehicle load, tire design and inflation pressure all affect vehicle handling. Therefore, check that the tires are inflated to
the recommended pressure according to the vehicle load. See "Tire pressure" section. Loads should be distributed so
that capacity weight or maximum permissible axle loads are not exceeded.
pg. 96 Points to remember
Cooling system
The risk for engine overheating is greatest, especially in hot weather, when:
Towing a trailer up steep inclines for prolonged periods at wide open throttle and low engine rpm.
Stopping the engine suddenly after high speed driving (so-called "after-boiling" can occur).
To avoid overheating, the following rules should be followed: Do not drive for prolonged periods at engine speeds
above 4500 rpm if you are towing a trailer in hilly terrain.
Reduce speed when towing a trailer up long, steep inclines. The risk of overheating can be reduced by switching off
the air conditioning system for a short time.
Do not let the engine idle unnecessarily for prolonged periods.
Do not mount auxiliary lamps in front of the grill.
When the risk of overheating is imminent, or in the event of overheating (the temperature gauge goes repeatedly into,
or stays continually in, the red section), the following precautions should be taken:
Switch off the air conditioning system.
Pull off the road, away from traffic, stop the car and put the gear selector into neutral.
Switch the heater to full (maximum) position. Increase the engine speed to approx. 2000 rpm (twice idling speed)
until the temperature begins to drop.
WARNING!
Do not remove coolant expansion tank cap. The coolant will be extremely hot.
If necessary, see page 129
and 132 for information on checking and topping-up the coolant level.
CAUTION: Drive slowly and carefully if going through standing water (i.e. flooded roadways, etc.). Damage to the
engine could result if excess water is drawn in through the air intake system. Never drive the vehicle in water deeper
than 1 foot (300 mm). See the flood warning on page 7
.
WARNING!
Driving with the tailgate open : Driving with the tailgate open could mean that poisonous exhaust gases enter the
passenger compartment.
If the tailgate must be kept open for any reason, proceed as follows:
- Close the windows.
- Set the ventilation system control to air flow to floor, windshield and side windows and blower control to its
highest setting.
Floor mats : An extra mat on the driver's floor can cause the accelerator pedal to catch. Check that the movement
of the accelerator pedal is not impeded. Not more than one protective floor covering may be used at one time.
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Electrical system
When replacing the battery or when carrying out work involving the electrical system, the following should be
observed:
A battery connection to the wrong terminal will damage the electrical system. Be sure to connect the positive battery
cable to the positive battery terminal and the negative battery cable to the negative battery terminal.
If booster batteries are used for starting, they must be properly connected to minimize the risk of the electrical
system being damaged. For correct connection, see "Jump starting" section.
Never disconnect the battery circuit (for example, to replace the battery) while the engine is running, as this may
damage the generator. Always make sure that all the battery connections are properly cleaned and tightened.
If any electrical welding work is performed on the vehicle, the battery's ground lead (negative cable) and all the
connecting cables of the generator must be disconnected and the welder cables placed as near the welding points as
possible.
The radio must be turned off before the battery is disconnected.
Switch off the ignition for at least 10 minutes before disconnecting the battery.
pg. 97 Roof racks/Load carriers
Load carriers (accessory)
Load carriers are available as Volvo accessories. Observe the following points when in use:
To avoid damaging your car and to achieve maximum safety when driving, we recommend using the load carriers
that Volvo has developed especially for your car.
Volvo-approved removable roof racks are designed to carry the maximum allowable roof load for this vehicle: 220
lbs (100 kg). For Non-Volvo roof racks, check the manufacturer's weight limits for the rack.
Never exceed the rack manufacturer's weigh limits and never exceed the maximum rated roof load of 220 lbs (100
kg).
Avoid single-point loads. Distribute loads evenly.
Place heavier cargo at the bottom of the load.
Anchor the cargo correctly with appropriate tie-down equipment.
Check periodically that the load carriers and load are properly secured.
Remember that the car's center of gravity and handling change when you carry a load on the roof.
The car's wind resistance (and correspondingly, fuel consumption) will increase with the size of the load.
Drive smoothly. Avoid rapid starts, fast cornering and hard braking.
Load carrier attachment points
Attaching load carriers (models without rails)
The attachment brackets for the load carriers are located under the roof molding.
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1 Make sure that the load carriers are placed in the right direction. See the mark on the decal under the cover.
2 Press the guide lugs into the holes (1).
3 Carefully lower the opposite side of the load carrier to the roof.
4 Loosen the tightening wheel slightly. Slide the hook on the load carrier attachment into the attachment bracket under
the roof molding.
5 Turn the tightening wheel to secure the load carrier in the attachment bracket.
6 Repeat this procedure for the other load carrier attachments.
7 Check that the hooks on all four load carrier attachments are securely tightened in the respective attachment brackets
on the roof of the car.
8 Press down the covers.
Check periodically that the load carriers and load are properly secured.
Reducing wind noise and improving fuel economy
To maximize fuel efficiency and minimize wind noise, Volvo recommends that load carriers be removed when not in
use.
pg. 98 Load carriers (models with rails)
Position of load carriers
Make sure that the wing-shaped load carriers are installed on the roof rails with the rounded edge forward (see the
inset illustration above). The load carriers are identical and can be placed anywhere along the roof rails.
Reducing wind noise and improving fuel economy
To maximize fuel efficiency and minimize wind noise, Volvo recommends that load carriers be removed when not in
use.
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Fitting the load carriers (accessory)
Make sure that the load carrier is pressed firmly out against the roof rail. Screw the load carrier in place. Use the
supplied torque wrench and tighten to the mark on the wrench (corresponding to 6 Nm). See illustration.
Load carrier cover
The car's ignition key or the stud on the edge of the supplied torque wrench can be used to undo or tighten the cover.
Turn a quarter turn (90 degrees). See illustration.

Contents | Top of Page
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2 0 0 3
VOLVO V70
Chapter 7 - Wheels and tires
pg.107 Wheels and tires
General information, Wear indicator, Tire economy, Flat spots108
Snow chains, Snow tires/studded tires109
Inflation pressure, Vehicle loading, Spare tire110
Uniform tire quality grading111
Changing wheels112
pg. 108 Wheels and tires
General information
Your vehicle is equipped with tires according to the tire information label on the inside of the fuel filler door.
The following is an example of a tire designation code: 225/55 R16
225 = tire width in mm.
55 = tire profile. This is the relationship (in percent) between the section height and width of the tire.
R = radial tires.
16 = diameter in inches.
The tires have good road holding characteristics and offer good handling on dry and wet surfaces. It should be noted
however that the tires have been developed to give these features on snow/ice-free surfaces. Certain models are
equipped with "all-season" tires, which provide a somewhat higher degree of road holding on slippery surfaces
than tires without the "all-season" rating. However, for optimum road holding on icy or snow covered roads - we
recommend suitable winter tires on all four wheels . When replacing tires, be sure that the new tires are the same
dimensions, type (radial) and preferably from the same manufacturer, on all four wheels. Do not use bias ply tires.
Otherwise there is a risk of altering the car's roadholding and handling characteristics.
NOTE: When storing wheel/tire assemblies (e.g. snow tires and wheels), either stand the assemblies upright, or
suspend them off the ground. Laying wheel/tire assemblies on their sides for prolonged periods can cause wheel and/or
tire damage.
Wear indicator
The tires have wear indicator strips running across or parallel to the tread. When approx. 1/16" (1.6 mm) is left on the
tread, these strips become visible and indicate that the tire should be replaced.
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Tires with less than 1/16" (1.6 mm) tread have very poor grip in rain or snow.
To improve tire economy:
Maintain correct tire pressure. See the tire pressure label on the inside of the fuel filler door.
Drive smoothly: avoid fast starts, hard braking and tire screeching.
Tire wear increases with speed.
Correct front wheel alignment is very important.
Unbalanced wheels impair tire economy and driving comfort.
Volvo does not recommend rotating the tires. However, if tires are rotated, they must be kept on the same side of the
car so that they revolve in the same direction as before rotation.
Hitting curbs or potholes can damage the tires and/or wheels permanently.
Flat spots
All tires become warm during use. After cooling, when the vehicle is parked, the tires have a tendency to distort
slightly, forming flat spots. These flat spots can cause vibrations similar to the vibrations caused by unbalanced wheels.
They do, however, disappear when the tire warms up. The degree to which flat spots form depends on the type of cord
used in the tire. Remember that, in cold weather, it takes longer for the tire to warm up and consequently longer for the
flat spot to disappear.
CAUTION: The car must not be driven with wheels of different dimensions/specifications or with a spare tire other
than the one that came with the car. The use of different size wheels can seriously damage your car's transmission or
driveline.
pg. 109 Wheels and tires
Snow chains
Snow chains can be used on your Volvo with the following restrictions:
Snow chains should be installed on front wheels only. Use only Volvo approved snow chains.
Special snow chains must be mounted on 215/55 R16. Consult your Volvo retailer.
If accessory, aftermarket or "custom" tires and wheels are installed and are of a size different than the original tires
and wheels, chains in some cases CANNOT be used. Sufficient clearances between chains and brakes, suspension and
body components must be maintained. Snow chains cannot be used on 17" wheels.
Some strap -on type chains will interfere with brake components and therefore CANNOT be used.
All Wheel Drive models: Snow chains should only be installed on the front wheels. Only chains adapted for AWD
models should be used.
Consult your Volvo retailer for additional snow chain information.
CAUTION:
Check local regulations regarding the use of snow chains before installing.
Always follow the chain manufacturer's installation instructions carefully. Install chains as tightly as possible and
retighten periodically.
Never exceed the chain manufacturer's specified maximum speed limit. In no case should you exceed 31 mph (50
km/h).
Avoid bumps, holes or sharp turns when driving with snow chains.
Vehicle handling can be adversely affected when driving with chains. Avoid fast maneuvering and hard braking.
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Never allow the wheels to lock up during braking.
Snow tires, studded tires *
Tires for winter use:
Owners who live in or regularly travel through areas with sustained periods of snow or icy driving conditions
are strongly advised to fit suitable winter tires to help retain the highest degree of traction. It is important to
install winter tires on all four wheels to help retain traction during cornering, braking, and accelerating. Failure to do
so could reduce traction to an unsafe level or adversely affect handling. Volvo does not recommend tire rotation.
However, as with any other radial tires, if rotated, the tires must be kept on the same side of the car so that they
revolve in the same direction as before rotation.
Volvo recommends 195/65 R15 snow tires on non-turbo models. Turbo models should be equipped with 205/55
R16 snow tires on all four wheels (215/65 R16 tires should be used on the XC70).
Winter tires wear more quickly on dry roads in warm weather. They should be removed when the winter driving
season has ended.
Studded tires should be run-in 300-600 miles (500-1000 km) during which the car should be driven as smoothly as
possible to give the studs the opportunity to seat properly in the tires. The tires should have the same rotational
direction throughout their entire lifetime. In other words, if you wish to rotate the wheels, make sure that the same
wheels are always on the same side of the car.
NOTE: Please consult state or provincial regulations restricting the use of studded winter tires before installing such
tires.
* Where permitted.
pg. 110 Wheels and tires
Tire pressure label
Checking and correcting tire pressure
Check the tire pressure regularly.
The tire pressure should be corrected only when the tires are cold.
With warm tires, correct only when the pressure is too low. The tire temperature rises after driving just a few miles.
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Vehicle loading
The tires on your Volvo will perform to specifications at all normal loads when inflated as recommended on the tire
information label located on the inside of the fuel filler door*. This label also lists vehicle load limits. Do not load
your car beyond the indicated limits.WARNING!
Improperly inflated tires will reduce tire life, adversely affect vehicle handling and can possibly lead to failure
resulting in loss of vehicle control without prior warning.
Temporary Spare
The spare tire in your car is called a "Temporary Spare". It has the following designation: T125/80 R17 (T135/90 R17
on the XC70).
At the recommended tire pressure shown on the inside of the fuel filler door, the tire may be used as a temporary
replacement for a front or rear tire.
In the event of damage to this tire, a new one can be purchased from your Volvo retailer.WARNING!
Current legislation prohibits the use of the "Temporary Spare" tire other than as a temporary replacement for a
punctured tire. It must be replaced as soon as possible by a standard tire. Road holding and handling may be affected
with the "Temporary Spare" in use. Do not exceed 50 mph (80 km/h). Do not drive farther than 50 miles (80 km) on
a temporary spare tire.
CAUTION:
The car must not be driven with wheels of different dimensions or with a spare tire other than the one that came with
the car. The use of different size wheels can seriously damage your car's transmission.
NOTE: Certain models may be equipped with a full-size spare tire. When used, it should be inflated to the same
pressure as the tire it is replacing.
*Please note that the tire information label indicates pressure for both comfort and fuel economy.
pg. 111 Wheels and tires
Uniform tire quality grading
ALL PASSENGER CAR TIRES MUST CONFORM TO FEDERAL SAFETY REQUIREMENTS IN
ADDITION TO THESE GRADES
Quality grades can be found, where applicable, on the tire sidewall between the tread shoulder and maximum section
width. For example:
Treadwear 200 Traction AA Temperature A
TREADWEAR
The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions
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